Home / 82,353.03-123,550.13-38,010.79

Finding the Fourth Proportional to 82,353.03, 123,550.13 and 38,010.79

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Solution

The fourth proportional to 82,353.03, 123,550.13 and 38,010.79 is: 57,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,353.03 : 123,550.13 = 38,010.79 : x
  2. Step 2: Convert to fraction form
    82,353.03/123,550.13 = 38,010.79/x
  3. Step 3: Cross multiply
    82,353.03x = 123,550.13 × 38,010.79
  4. Step 4: Simplify right side
    82,353.03x = 4,696,238,045.90
  5. Step 5: Solve for x
    x = 4,696,238,045.90/82,353.03
  6. Step 6: Final answer
    x = 57,025.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.